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Citraconic anhydride

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Products Intro: Product Name:Citraconic anhydride
CAS:616-02-4
Purity:98% Min. Package:1G;1KG;100KG
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Products Intro: Product Name:Citraconic anhydride_
CAS:616-02-4
Purity:99% Package:25KG;5KG;1KG
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CAS:616-02-4
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Products Intro: Product Name:Citraconic anhydride
CAS:616-02-4
Purity:99% Package:1PCS;1USD
Company Name: Xiamen AmoyChem Co., Ltd
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Products Intro: Product Name:Citraconic Anhydride
CAS:616-02-4

Citraconic anhydride manufacturers

  • Citraconic anhydride
  • $15.00 / 1KG
  • 2021-07-13
  • CAS:616-02-4
  • Min. Order: 1KG
  • Purity: 99%+ HPLC
  • Supply Ability: Monthly supply of 1 ton
  • Citraconic anhydride
  • $15.00 / 1KG
  • 2021-07-10
  • CAS:616-02-4
  • Min. Order: 1KG
  • Purity: 99%+ HPLC
  • Supply Ability: Monthly supply of 1 ton
  • Citraconic anhydride
  • $1.00 / 1PCS
  • 2021-04-27
  • CAS:616-02-4
  • Min. Order: 1KG
  • Purity: 99%
  • Supply Ability: 10 mt
Citraconic anhydride Basic information
Product Name:Citraconic anhydride
Synonyms:Anhydrid kyseliny citrakonove;anhydridkyselinycitrakonove;Citraconic acid anhydride;citraconicacidanhydride;Maleic anhydride, methyl-;methyl-maleicacidanhydride;methyl-maleicanhydrid;Monomethylmaleic anhydride
CAS:616-02-4
MF:C5H4O3
MW:112.08
EINECS:210-459-0
Product Categories:Anhydride Monomers;Monomers;Polymer Science;Carbonyl Compounds;Carboxylic Acid Anhydrides;Organic Building Blocks;Rubber & Plastic Auxiliary Agent
Mol File:616-02-4.mol
Citraconic anhydride Structure
Citraconic anhydride Chemical Properties
Melting point 6-10 °C (lit.)
Boiling point 213-214 °C (lit.)
density 1.247 g/mL at 25 °C (lit.)
vapor density 4 (vs air)
refractive index n20/D 1.471(lit.)
Fp 215 °F
storage temp. Inert atmosphere,2-8°C
form Liquid
color Clear colorless to very slightly yellow
Water Solubility decomposes
Sensitive Moisture Sensitive
BRN 1835
CAS DataBase Reference616-02-4(CAS DataBase Reference)
NIST Chemistry Reference2,5-Furandione, 3-methyl-(616-02-4)
EPA Substance Registry System2,5-Furandione, 3-methyl- (616-02-4)
Safety Information
Hazard Codes T
Risk Statements 23/24/25-36/37/38-42/43-34-24
Safety Statements 26-36/37/39-45-28A-23-36/37
RIDADR UN 2810 6.1/PG 3
WGK Germany 3
RTECS GE6825000
10-21
TSCA Yes
HazardClass 6.1
PackingGroup III
HS Code 29171990
Hazardous Substances Data616-02-4(Hazardous Substances Data)
MSDS Information
ProviderLanguage
2-Methylmaleic anhydride English
SigmaAldrich English
ACROS English
ALFA English
Citraconic anhydride Usage And Synthesis
Chemical Propertiesclear colorless to very slightly yellow liquid
UsesVersatile reagent used for the synthesis of maleimides, bicyclic pyrrolidines, and co- and terpolymers, as well as for the protection of N-terminal amino acids.
UsesReagent for alkalies, alcohols, and amines.
UsesCitraconic anhydride is used as a monomer for specialty unsaturated polyester resins. It is used to prepare bicyclic pyrrolidines, maleimides and co- and terpolymers. It is also used for the protection of N-terminal amino acids. Further, it is involved in the preparation of clothing ping acid and its amide. In addition to this, it is selectively used for the isolation of histidyl peptides.
Purification MethodsPossible contamination is from the acid formed by hydrolysis. If the IR has OH bands, then reflux with Ac2O for 30minutes, evaporate, then distil the residue in a vacuum, otherwise distil in a vacuum. Store in a dry atmosphere. [Vaughan & Andersen J Am Chem Soc 77 6702 1955, Vaughan & Andersen J Org Chem 21 680 1956, Beilstein 17 H 440, 17 I 234, 17 II 448, 17 III/IV 5912, 17/11 V 65.]
Tag:Citraconic anhydride(616-02-4) Related Product Information
Citric acid monohydrate AMMONIUM BISMUTH CITRATE Citral Disodium citrate Tartrazine Citraconic acid 2,3-BIS(2,4,5-TRIMETHYL-3-THIENYL)MALEIC ANHYDRIDE TRIFLUOROMETHYLMALEIC ANHYDRIDE 3,4-DIHYDRO-1,2-NAPHTHALENEDICARBOXYLIC ANHYDRIDE 1-CYCLOPENTENE-1,2-DICARBOXYLIC ANHYDRIDE 3-(4-CHLOROPHENYL)-2,5-FURANDIONE RUBRATOXIN B 4-METHYLCYCLOHEXENE-1,2-DIMETHANOIC ANHYDRIDE ETHYLENE MALEIC ANHYDRIDE 2,3-DIPHENYLMALEIC ANHYDRIDE TAUTOMYCIN 3,4,5,6-Tetrahydrophthalic anhydride CIS-ACONITIC ANHYDRIDE